Intensity and Wavelength of Luminol Reaction with Different Cations. Chase Butterworth, Phillip Dougherty. In this lab the chemiluminesence of luminol was tested with different metal cations in order to affirm the hypothesis that the wavelength and intensity of light emitted is related to the luminol molecule reacting with hydrogen peroxide, and not with the metal catalyst. Two metals were chosen to be dissolved in a pH solution of 11 with luminol, them being Fe(II), and Cu(II). These two metal catalysts, derived from copper sulfate (CuSO4)and ferrocyanide (K3[Fe(CN)6]). From previous research, luminol is known to emit a blue light range. Both metal catalysts, necessary for the excited electrons to emit light, instigated a reaction that emitted blue range light, affirming the hypothesis that the wavelength and intensity of light emitted is related to the luminol molecule reacting with hydrogen peroxide, and not with the metal catalyst.
KeyWords: Luminol, catalyst, chemiluminescene, wavelength, intensity, cation
KeyWords: Luminol, catalyst, chemiluminescene, wavelength, intensity, cation